Unlock a new realm of capability and luxury with the stunning 2025 GMC Sierra 3500HD AT4. Coated in the sophisticated Sterling Metallic and embracing a luxurious Jet Black with Kalahari accents interior, this robust 4×4 is engineered to conquer virtually any terrain while ensconcing you in premium comfort. With its formidable Duramax 6.6L Turbo-Diesel V8 engine, delivering a thrilling 470 hp and a monumental 975 lb-ft of torque, every journey becomes an assertion of power seamlessly delivered through the Allison 10-Speed Automatic Transmission. Designed to meet the needs of the adventurous at heart, this Sierra 3500HD AT4 comes equipped with the AT4 Premium Plus Package, combining advanced technology with rugged utility. The Off-Road High Clearance Step ensures accessibility even on the trickiest trails, and the Power-Retractable Black Assist Steps with LED lighting offer convenience that doesn’t skimp on style. Whether you’re towing a heavy load or embarking on a family trip, the Gooseneck/5th Wheel Prep Package affords you the confidence for any venture with its robust hitch platform and bed-mounted 7-pin trailer harness. Experience an agile ride without compromising on safety, thanks to features like Front Collision Warning, Lane Departure Warning, and the Blind Spot Monitor that keep a protective vigil over your journey. The Rear Axle 3.42 Ratio complements the automated prowess that guides this powerhouse over diverse landscapes with exceptional control. No matter the weather, features like automatic high beams and rain-sensing wipers ensure unblemished visibility, while the heated and cooled front seats provide year-round comfort. When it’s time for precision navigation and seamless connectivity, turn to the intuitive system that ensures every destination is within reach, while creature comforts like a heated steering wheel and the Bose premium sound system create an ambiance of sheer luxury. With the added convenience of a power sunroof, embrace the summer season under the vast Alberta sky. Dedicated to surpassing expectations, this new GMC Sierra 3500HD AT4 redefines robust elegance. Stock # T4320727. AMVIC-licensed Dealer.